Error loading bt878 module

Cyber Source peter at thecybersource.com
Tue Aug 30 14:43:56 EDT 2005


I'm going to suspect that something got missed in the kernel compile, 
that should be all you need to get that card working.

Frank Kumro wrote:

> lol yea i have the cable connected. I added the line card=2 so now my 
> modprobe.conf has this in it
>
> alias char-major-81-0 bttv
> options tuner type=2 tuner=2 card=2
>
> No luck still. What logs do you want me to look at? Here is the two 
> lines i get from dmesg
>
> bttv: driver version 0.9.15 loaded
> bttv: using 8 buffers with 2080k (520 pages) each for capture
>
> I was reading some docs and if I supply the card and type then a xawtv 
> -hwscan should not return UNKNOWN...but here is the output
>
> /dev/video0: OK                         [ -device /dev/video0 ]
>     type : v4l2
>     name : UNKNOWN/GENERIC
>     flags: overlay capture tuner
>
>
> On 8/29/05, * Cyber Source* <peter at thecybersource.com 
> <mailto:peter at thecybersource.com>> wrote:
>
>     Do you have the cable connected? What are the logs saying?
>
>     Frank Kumro wrote:
>
>     > Well i have that in my modprobe file, rebooted, module is loaded,
>     > still nothing. Wow this is getting agervating :(
>     >
>     > On 8/29/05, *Cyber Source* < peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     > <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>> wrote:
>     >
>     >     The only lines you should need in modprobe are;
>     >
>     >     alias char-major-81-0   bttv
>     >     options tuner type=2
>     >
>     >
>     >     Frank Kumro wrote:
>     >
>     >     > well i put that into my modprobe.conf and i got errros and
>     then i
>     >     > uncommented the i2c stuff and now matter what I did I would
>     >     always get
>     >     > /dev/video0 doesnt exist. So i removed all of it and
>     reloaded the
>     >     > module...still /dev/video0 doesnt exist. Its not even
>     showing up
>     >     > now...argh
>     >     >
>     >     > On 8/29/05, *Frank Kumro* < fkumro at gmail.com
>     <mailto:fkumro at gmail.com>
>     >     <mailto:fkumro at gmail.com <mailto:fkumro at gmail.com>>
>     <mailto:fkumro at gmail.com <mailto:fkumro at gmail.com>
>     >     <mailto:fkumro at gmail.com <mailto:fkumro at gmail.com>>>>
>     >     > wrote:
>     >     >
>     >     >     Peter,
>     >     >       I not to keen on putting stuff in modprobe so would this
>     >     fly? (i
>     >     >     got it from the kernel docs)
>     >     >
>     >     >     # i2c
>     >     >     alias char-major-89     i2c-dev
>     >     >     options i2c-core        i2c_debug=1
>     >     >     options i2c-algo-bit    bit_test=1
>     >     >
>     >     >     # bttv
>     >     >     alias char-major-81     videodev
>     >     >     alias char-major-81-0   bttv
>     >     >     options bttv            card=2 radio=1
>     >     >     options tuner          type=2 debug=1
>     >     >
>     >     >
>     >     >
>     >     >     On 8/29/05, * Cyber Source* < peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>
>     >     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>>> wrote:
>     >     >
>     >     >         You want NTSC and US-CABLE. If you can't get any
>     >     stations at
>     >     >         all its
>     >     >         most likely that the tuner option is not set. It
>     is probably
>     >     >         type 2.
>     >     >         Check your logs, it's probably screaming about no
>     tuner set.
>     >     >         Your going
>     >     >         to need a line like "options tuner type=2" in your
>     modprobe
>     >     >         file. Look
>     >     >         in the kernel docs on the bttv module for
>     specifics but
>     >     if memory
>     >     >         serves, that is exactly the line you need.
>     >     >
>     >     >         Frank Kumro wrote:
>     >     >
>     >     >> Well i got it working...turns out the it wasnt compiled (sry
>     >     >         guys i
>     >     >> was mistaken). However I cannot get any stations to show.
>     I tried
>     >     >> xawtv and tvtime. I want to use scantv that is *suppose* to
>     >     >         come with
>     >     >> xawtv but it is no where to be found. Our cable is NTSC and
>     >     >         which of
>     >     >> the following (us-bcast,us-cable,us-cablehsc)?
>     >     >>
>     >     >> On 8/29/05, *Cyber Source* <peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>
>     >     >         <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>> >
>     >     >> <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com> <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com> >
>     >     >         <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>>>> wrote:
>     >     >>
>     >     >>     Sounds like a major pain. EVERY time I have tried to
>     >     >         compile a
>     >     >>     kernel it
>     >     >>     either didnt work or I left something out or it just
>     >     >         acted weird
>     >     >>     after,
>     >     >>     never had any luck doing a kernel compile. If it
>     didnt take
>     >     >>     forever or
>     >     >>     we could get a fast machine in for a meeting, I would
>     >     >         love to see a
>     >     >>     demo, when/if we start having meetings again.
>     >     >>
>     >     >>     Frank Kumro wrote:
>     >     >>
>     >     >>     > well i can install an older kernel but i just compiled
>     >     >         mine with
>     >     >>     > patricks (the creator) config file and just added stuff
>     >     >         I need.
>     >     >>     I will
>     >     >>     > make sure by recompiling the kernel that v4l is
>     >     >         compiled in. All i
>     >     >>     > have to select is Video For Linux (compile in) and make
>     >     >         the rest
>     >     >>     > modules...
>     >     >>     >
>     >     >>     > On 8/29/05, *Cyber Source* <
>     peter at thecybersource.com <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>
>     >     >         <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>>
>     >     >>     <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>
>     >     >         <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>>>
>     >     >>     > <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>
>     >     >         <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>>
>     >     >>     <mailto:peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>
>     >     >         <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>
>     >     <mailto: peter at thecybersource.com
>     <mailto:peter at thecybersource.com>>>>>> wrote:
>     >     >>     >
>     >     >>     >     That's where I was going, sounds like v4l is not
>     >     >         compiled
>     >     >>     into the
>     >     >>     >     kernel. In slack can you apt-get a new kernel or is
>     >     >         everything
>     >     >>     >     compile city?
>     >     >>     >
>     >     >>     >     David W. Aquilina wrote:
>     >     >>     >
>     >     >>     >     >On Mon, Aug 29, 2005 at 05:28:50PM -0400, Frank
>     >     >         Kumro wrote:
>     >     >>     >     >
>     >     >>     >     >
>     >     >>     >     >>In the menuconfig I only see one option for v4l
>     >     >         and its
>     >     >>     compiled in.
>     >     >>     >     >>(Mulitmedia devices --> Video For Linux). I
>     dont know
>     >     >>     where any
>     >     >>     >     other
>     >     >>     >     >>options would be.
>     >     >>     >     >>
>     >     >>     >     >>
>     >     >>     >     >
>     >     >>     >     >It's been a while since I've rolled a kernel for
>     >     >         myself, so I'm
>     >     >>     >     not sure where the option would be for different
>     >     >         versions of
>     >     >>     V4L.
>     >     >>     >     I should be able to poke around tonight for that.
>     >     >>     >     >
>     >     >>     >     >Do you have a System.map file anywhere that you
>     >     >         can look at? It
>     >     >>     >     should list the symbols in the kernel, if you don't
>     >     >         see any
>     >     >>     that
>     >     >>     >     match v4l2 then I'd say it's likely you don't
>     have it
>     >     >>     compiled in..
>     >     >>     >     >
>     >     >>     >     >And yup, I'm the same David.
>     >     >>     >     >
>     >     >>     >     >
>     >     >>     >     >
>     >     >>     >     >
>     >     >>     >
>     >     >>     >
>     >     >>     >
>     >     >>     >
>     >     >>     > --
>     >     >>     > Frank
>     >     >>     > Shenanigans!!
>     >     >>
>     >     >>
>     >     >>
>     >     >>
>     >     >> --
>     >     >> Frank
>     >     >> Shenanigans!!
>     >     >
>     >     >
>     >     >
>     >     >
>     >     >     --
>     >     >     Frank
>     >     >     Shenanigans!!
>     >     >
>     >     >
>     >     >
>     >     >
>     >     > --
>     >     > Frank
>     >     > Shenanigans!!
>     >
>     >
>     >
>     >
>     > --
>     > Frank
>     > Shenanigans!!
>
>
>
>
> -- 
> Frank
> Shenanigans!! 




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